mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-08-19 01:10:52 +00:00
- slim/slim: ^3.1 - symfony/expression-language: ^3.4 - fxp/composer-asset-plugin: ~1.3 - bower-asset/vue: ^2.5 - bower-asset/vue-resource: ^1.5
264 lines
6.3 KiB
PHP
264 lines
6.3 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\Cache\Adapter;
|
|
|
|
use Psr\Cache\CacheItemInterface;
|
|
use Psr\Cache\CacheItemPoolInterface;
|
|
use Symfony\Component\Cache\CacheItem;
|
|
use Symfony\Component\Cache\Exception\InvalidArgumentException;
|
|
use Symfony\Component\Cache\PruneableInterface;
|
|
use Symfony\Component\Cache\ResettableInterface;
|
|
|
|
/**
|
|
* Chains several adapters together.
|
|
*
|
|
* Cached items are fetched from the first adapter having them in its data store.
|
|
* They are saved and deleted in all adapters at once.
|
|
*
|
|
* @author Kévin Dunglas <dunglas@gmail.com>
|
|
*/
|
|
class ChainAdapter implements AdapterInterface, PruneableInterface, ResettableInterface
|
|
{
|
|
private $adapters = array();
|
|
private $adapterCount;
|
|
private $saveUp;
|
|
|
|
/**
|
|
* @param CacheItemPoolInterface[] $adapters The ordered list of adapters used to fetch cached items
|
|
* @param int $maxLifetime The max lifetime of items propagated from lower adapters to upper ones
|
|
*/
|
|
public function __construct(array $adapters, $maxLifetime = 0)
|
|
{
|
|
if (!$adapters) {
|
|
throw new InvalidArgumentException('At least one adapter must be specified.');
|
|
}
|
|
|
|
foreach ($adapters as $adapter) {
|
|
if (!$adapter instanceof CacheItemPoolInterface) {
|
|
throw new InvalidArgumentException(sprintf('The class "%s" does not implement the "%s" interface.', get_class($adapter), CacheItemPoolInterface::class));
|
|
}
|
|
|
|
if ($adapter instanceof AdapterInterface) {
|
|
$this->adapters[] = $adapter;
|
|
} else {
|
|
$this->adapters[] = new ProxyAdapter($adapter);
|
|
}
|
|
}
|
|
$this->adapterCount = count($this->adapters);
|
|
|
|
$this->saveUp = \Closure::bind(
|
|
function ($adapter, $item) use ($maxLifetime) {
|
|
$origDefaultLifetime = $item->defaultLifetime;
|
|
|
|
if (0 < $maxLifetime && ($origDefaultLifetime <= 0 || $maxLifetime < $origDefaultLifetime)) {
|
|
$item->defaultLifetime = $maxLifetime;
|
|
}
|
|
|
|
$adapter->save($item);
|
|
$item->defaultLifetime = $origDefaultLifetime;
|
|
},
|
|
null,
|
|
CacheItem::class
|
|
);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getItem($key)
|
|
{
|
|
$saveUp = $this->saveUp;
|
|
|
|
foreach ($this->adapters as $i => $adapter) {
|
|
$item = $adapter->getItem($key);
|
|
|
|
if ($item->isHit()) {
|
|
while (0 <= --$i) {
|
|
$saveUp($this->adapters[$i], $item);
|
|
}
|
|
|
|
return $item;
|
|
}
|
|
}
|
|
|
|
return $item;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getItems(array $keys = array())
|
|
{
|
|
return $this->generateItems($this->adapters[0]->getItems($keys), 0);
|
|
}
|
|
|
|
private function generateItems($items, $adapterIndex)
|
|
{
|
|
$missing = array();
|
|
$nextAdapterIndex = $adapterIndex + 1;
|
|
$nextAdapter = isset($this->adapters[$nextAdapterIndex]) ? $this->adapters[$nextAdapterIndex] : null;
|
|
|
|
foreach ($items as $k => $item) {
|
|
if (!$nextAdapter || $item->isHit()) {
|
|
yield $k => $item;
|
|
} else {
|
|
$missing[] = $k;
|
|
}
|
|
}
|
|
|
|
if ($missing) {
|
|
$saveUp = $this->saveUp;
|
|
$adapter = $this->adapters[$adapterIndex];
|
|
$items = $this->generateItems($nextAdapter->getItems($missing), $nextAdapterIndex);
|
|
|
|
foreach ($items as $k => $item) {
|
|
if ($item->isHit()) {
|
|
$saveUp($adapter, $item);
|
|
}
|
|
|
|
yield $k => $item;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function hasItem($key)
|
|
{
|
|
foreach ($this->adapters as $adapter) {
|
|
if ($adapter->hasItem($key)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function clear()
|
|
{
|
|
$cleared = true;
|
|
$i = $this->adapterCount;
|
|
|
|
while ($i--) {
|
|
$cleared = $this->adapters[$i]->clear() && $cleared;
|
|
}
|
|
|
|
return $cleared;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function deleteItem($key)
|
|
{
|
|
$deleted = true;
|
|
$i = $this->adapterCount;
|
|
|
|
while ($i--) {
|
|
$deleted = $this->adapters[$i]->deleteItem($key) && $deleted;
|
|
}
|
|
|
|
return $deleted;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function deleteItems(array $keys)
|
|
{
|
|
$deleted = true;
|
|
$i = $this->adapterCount;
|
|
|
|
while ($i--) {
|
|
$deleted = $this->adapters[$i]->deleteItems($keys) && $deleted;
|
|
}
|
|
|
|
return $deleted;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function save(CacheItemInterface $item)
|
|
{
|
|
$saved = true;
|
|
$i = $this->adapterCount;
|
|
|
|
while ($i--) {
|
|
$saved = $this->adapters[$i]->save($item) && $saved;
|
|
}
|
|
|
|
return $saved;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function saveDeferred(CacheItemInterface $item)
|
|
{
|
|
$saved = true;
|
|
$i = $this->adapterCount;
|
|
|
|
while ($i--) {
|
|
$saved = $this->adapters[$i]->saveDeferred($item) && $saved;
|
|
}
|
|
|
|
return $saved;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function commit()
|
|
{
|
|
$committed = true;
|
|
$i = $this->adapterCount;
|
|
|
|
while ($i--) {
|
|
$committed = $this->adapters[$i]->commit() && $committed;
|
|
}
|
|
|
|
return $committed;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function prune()
|
|
{
|
|
$pruned = true;
|
|
|
|
foreach ($this->adapters as $adapter) {
|
|
if ($adapter instanceof PruneableInterface) {
|
|
$pruned = $adapter->prune() && $pruned;
|
|
}
|
|
}
|
|
|
|
return $pruned;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function reset()
|
|
{
|
|
foreach ($this->adapters as $adapter) {
|
|
if ($adapter instanceof ResettableInterface) {
|
|
$adapter->reset();
|
|
}
|
|
}
|
|
}
|
|
}
|